408966 has 8 divisors (see below), whose sum is σ = 817944. Its totient is φ = 136320.

The previous prime is 408959. The next prime is 408971. The reversal of 408966 is 669804.

It is a sphenic number, since it is the product of 3 distinct primes.

408966 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

408966 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34075 + ... + 34086.

It is an arithmetic number, because the mean of its divisors is an integer number (102243).

2⁴⁰⁸⁹⁶⁶ is an apocalyptic number.

408966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408966 is a wasteful number, since it uses less digits than its factorization.

408966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68166.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 408966 is about 639.5044956840. The cubic root of 408966 is about 74.2270842681.

The spelling of 408966 in words is "four hundred eight thousand, nine hundred sixty-six".